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2. The density of iron at 910 °C is 7.571 g/cm3 for the a-form and 7.633...
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69...
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69 2.70 8.92 7.86 11.34 7.28 An unknown metal sample has a mass of 24.05 g and a volume of 3.06 mL. Consult the table to identify the unknown and calculate the molar volume (cm3/mole) of the unknown metal sample. Record your answer to three significant figures. cm3/mol mit Answer
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg)...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if the pressure is increased from 1.00 x 10 Pa to 1.20 x 10 Pa. The molar entropy of C12(9) is 223.07 J/mol-K at 298 K. Estimate the change in the chemical potential of Cl2(9) if the temperature is increased to 450 K.
(2 marks) The densities of white and red phosphorus are 1.823 and 2.340 g cm3 respectively....
(2 marks) The densities of white and red phosphorus are 1.823 and 2.340 g cm3 respectively. Calculate the change in the molar volume for the transformation of white into red phosphorus a) 3.754 m2 mol b) 3.754x102 m3 mol c) 3.754x106 m3 mol d) 3.754x10 m3 mol Justify your response.
This scenario describes questions 3-8: Remove Locking pin D 50 cm 1.0 atm 20°C 100 cm...
This scenario describes questions 3-8: Remove Locking pin D 50 cm 1.0 atm 20°C 100 cm 3.0 atm 1. Start. 2. Heat to 3 atm. 3. Remove pin. Continue heating to 100 cm 4. Insert pin. Remove mass. The figure shows a sample of N2 gas covered by a movable piston, first in its initial state and then undergoing three processes. The heat capacity at constant volume for N2 is 5/2 R. In step 1, when the pin locking the...
6. Calculate the entropy change when 2 moles of gaseous water are formed at 100°C and 1 atm from hydrogen and oxygen ga...
6. Calculate the entropy change when 2 moles of gaseous water are formed at 100°C and 1 atm from hydrogen and oxygen gas at the same temperature. H2(g) = 130.57 J/K Standard molar entropy: H2O(g) = 188.72 J/K O2(g) = 205.04 J/K Constant volume molar heat capacity: H2O(g) = 25.3 J/ K O 2(g) = 21.1 J/K Constant pressure molar heat capacity: H2O(g) = 33.6 J/K O2(g) = 29.4 JK H2(g) = 20.5 JK H2(g) = 28.8 J/K
Q1) solve part A,B,C and D A)Magnesium carbonate thermally decomposes to magnesium oxide and carbon dioxide...
Q1) solve part A,B,C and D A)Magnesium carbonate thermally decomposes to magnesium oxide and carbon dioxide gas: MgCO3(s) → MgO(s) + CO2(g) Determine the volume of carbon dioxide in liters that would form if 4.22 g of magnesium carbonate decomposes completely at 355oC and 1.05 atm. B) A 6.00 L vessel contains 10.5 g of O2, 2.12 g of CO2 and 1.12 g of He. Determine the partial pressure in atm of each gas and the total pressure in atm...
part a. The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 110 J of heat. As it...
part a. The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 110 J of heat. As it expands, it does 79 kJ of work. What is the change in internal energy for the system? Express the energy in kilojoules to two significant figures. part b. When fuel is burned in a cylinder equipped with a piston, the volume expands from 0.235 L to 1.350 L against an external pressure of 1.02 atm...
What is the volume of the sphere in Procedure 2 in units of cm3? Express your...
What is the volume of the sphere in Procedure 2 in units of
cm3? Express your answer to two significant figures.
LAB 14: IDEAL GAS LAW BASIC CONCEPTS TEXTBOOK: SECTIONS 15.2, YOUNG, 10TH EDITION DEFINITIONS Volume: The space taken up by an object, measured in cubic meters (m"). Pressure: For an enclosed gas, pressure is defined as the force exerted per area by the gas on the container walls, measured in Pascal (1 N/m) Temperature: A measure of the average...
19) Iron is produced from its one by the reactions 2 C O 2 Fe:O )...
19) Iron is produced from its one by the reactions 2 C O 2 Fe:O ) CO 2 es 3COAR) How many moles of Ol) are needed to produce 1 mole of Fe(s)? a) 1/2 mole o 1/4 moto 1 mole O d) 3/2 moleo 20) Iron (1) sulfate reacts with potassium hydroxide in aqueous solution to form a precipitate. The net lonic equation for this reaction is: a) Fel. 50. Feso, 2 50, SO. c)Fe +20 Feco ). d)...
Unknown Atomic Mass (g/mol) Density (g/cm3) Aluminum Copper Iron Lead Tin 26.982 63.546 55.847 207.20 118.69 2.70 8.92 7.86 11.34 7.28 An unknown metal sample has a mass of 24.05 g and a volume of 3.06 mL. Consult the table to identify the unknown and calculate the molar volume (cm3/mole) of the unknown metal sample. Record your answer to three significant figures. cm3/mol mit Answer
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
The density of K(s) is 0.862 g/cm3. Estimate the change in chemical potential of K(s) if the pressure is increased from 1.00 x 10 Pa to 1.20 x 10 Pa. The molar entropy of C12(9) is 223.07 J/mol-K at 298 K. Estimate the change in the chemical potential of Cl2(9) if the temperature is increased to 450 K.
(2 marks) The densities of white and red phosphorus are 1.823 and 2.340 g cm3 respectively. Calculate the change in the molar volume for the transformation of white into red phosphorus a) 3.754 m2 mol b) 3.754x102 m3 mol c) 3.754x106 m3 mol d) 3.754x10 m3 mol Justify your response.
This scenario describes questions 3-8: Remove Locking pin D 50 cm 1.0 atm 20°C 100 cm 3.0 atm 1. Start. 2. Heat to 3 atm. 3. Remove pin. Continue heating to 100 cm 4. Insert pin. Remove mass. The figure shows a sample of N2 gas covered by a movable piston, first in its initial state and then undergoing three processes. The heat capacity at constant volume for N2 is 5/2 R. In step 1, when the pin locking the...
6. Calculate the entropy change when 2 moles of gaseous water are formed at 100°C and 1 atm from hydrogen and oxygen gas at the same temperature. H2(g) = 130.57 J/K Standard molar entropy: H2O(g) = 188.72 J/K O2(g) = 205.04 J/K Constant volume molar heat capacity: H2O(g) = 25.3 J/ K O 2(g) = 21.1 J/K Constant pressure molar heat capacity: H2O(g) = 33.6 J/K O2(g) = 29.4 JK H2(g) = 20.5 JK H2(g) = 28.8 J/K
What is the volume of the sphere in Procedure 2 in units of
cm3? Express your answer to two significant figures.
LAB 14: IDEAL GAS LAW BASIC CONCEPTS TEXTBOOK: SECTIONS 15.2, YOUNG, 10TH EDITION DEFINITIONS Volume: The space taken up by an object, measured in cubic meters (m"). Pressure: For an enclosed gas, pressure is defined as the force exerted per area by the gas on the container walls, measured in Pascal (1 N/m) Temperature: A measure of the average...
19) Iron is produced from its one by the reactions 2 C O 2 Fe:O ) CO 2 es 3COAR) How many moles of Ol) are needed to produce 1 mole of Fe(s)? a) 1/2 mole o 1/4 moto 1 mole O d) 3/2 moleo 20) Iron (1) sulfate reacts with potassium hydroxide in aqueous solution to form a precipitate. The net lonic equation for this reaction is: a) Fel. 50. Feso, 2 50, SO. c)Fe +20 Feco ). d)...
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